#!/usr/bin/env/python # # Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import copy import os import json import logging from requests import Session from apache_atlas.client.discovery import DiscoveryClient from apache_atlas.client.entity import EntityClient from apache_atlas.client.glossary import GlossaryClient from apache_atlas.client.lineage import LineageClient from apache_atlas.client.relationship import RelationshipClient from apache_atlas.client.admin import AdminClient from apache_atlas.client.typedef import TypeDefClient from apache_atlas.exceptions import AtlasServiceException from apache_atlas.utils import HttpMethod, HTTPStatus, type_coerce LOG = logging.getLogger('apache_atlas') class AtlasClient: def __init__(self, host, auth): session = Session() session.auth = auth self.host = host self.session = session self.request_params = {'headers': {}} self.typedef = TypeDefClient(self) self.entity = EntityClient(self) self.lineage = LineageClient(self) self.discovery = DiscoveryClient(self) self.glossary = GlossaryClient(self) self.relationship = RelationshipClient(self) self.admin = AdminClient(self) logging.getLogger("requests").setLevel(logging.WARNING) def call_api(self, api, response_type=None, query_params=None, request_obj=None): params = copy.deepcopy(self.request_params) path = os.path.join(self.host, api.path) params['headers']['Accept'] = api.consumes params['headers']['Content-type'] = api.produces if query_params: params['params'] = query_params if request_obj: params['data'] = json.dumps(request_obj) if LOG.isEnabledFor(logging.DEBUG): LOG.debug("------------------------------------------------------") LOG.debug("Call : %s %s", api.method, path) LOG.debug("Content-type : %s", api.consumes) LOG.debug("Accept : %s", api.produces) response = None if api.method == HttpMethod.GET: response = self.session.get(path, **params) elif api.method == HttpMethod.POST: response = self.session.post(path, **params) elif api.method == HttpMethod.PUT: response = self.session.put(path, **params) elif api.method == HttpMethod.DELETE: response = self.session.delete(path, **params) if response is not None: LOG.debug("HTTP Status: %s", response.status_code) if response is None: return None elif response.status_code == api.expected_status: if not response_type: return None try: if response.content: if LOG.isEnabledFor(logging.DEBUG): LOG.debug("<== __call_api(%s,%s,%s), result = %s", vars(api), params, request_obj, response) LOG.debug(response.json()) if response_type == str: return json.dumps(response.json()) return type_coerce(response.json(), response_type) else: return None except Exception as e: print(e) LOG.exception("Exception occurred while parsing response with msg: %s", e) raise AtlasServiceException(api, response) elif response.status_code == HTTPStatus.SERVICE_UNAVAILABLE: LOG.error("Atlas Service unavailable. HTTP Status: %s", HTTPStatus.SERVICE_UNAVAILABLE) return None else: raise AtlasServiceException(api, response)